Fixes #181590 The affine-loop-coalescing pass crashes when loop has a statistically known zero step. This fix does an early bail-out in coalesceLoops that return failure when a loop has a known zero step.
Fixes #181590 The affine-loop-coalescing pass crashes when loop has a statistically known zero step. This fix does an early bail-out in coalesceLoops that return failure when a loop has a known zero step.